/********************************************************************************
 * Copyright (c) 2011-2017 Red Hat Inc. and/or its affiliates and others
 *
 * This program and the accompanying materials are made available under the 
 * terms of the Apache License, Version 2.0 which is available at
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * SPDX-License-Identifier: Apache-2.0 
 ********************************************************************************/
package org.eclipse.ceylon.model.typechecker.model;

public interface Cancellable {
    boolean isCancelled();
    
    public static Cancellable ALWAYS_CANCELLED = new Cancellable() {
        @Override
        public boolean isCancelled() {
            return true;
        }
    };
}
